Kutzner + Weber MUC, Руководство по установке, Страница: 23 / 28

MUC IOM
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Operations - Inputs and Outputs
Motor Status Feedback Voltage
A voltage feedback signal of 5VDC is be provided to the MUC for fan status. The motor
ON status feedback threshold is >4VDC
This input is ignored in OFF mode.
Relay Control
The gas relay will be in the closed position during Run Mode and in the normally open
position when in Fail Mode and Off Mode. The damper relay will be in the closed
position during Run Mode and Fail Mode and in the normally open position when in Off
Mode.
LED Display
The MUC has two colored LEDs to indicate RUN and FAIL conditions. These LEDs are
also be used to indicate battery status and audio alert mute status. When the green
LED flashes during the RUN mode this is a low battery voltage status and indicates the
batteries should be replaced.
Green Red Indication
OFF OFF Not running
ON OFF Running normally
FLASHING OFF Running - Battery voltage level low
OFF ON Fail mode active - alarm condition present
OFF FLASHING Fail mode active - Audio muted
ON ON Back Up mode active - power loss
Audio Alert
The alarm will be activated during Fail Mode and deactivated during Run Mode. The
Audio alert can also be muted by the user for 2 minutes during alarm mode via an
override push button switch mounted on the MUC.